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Today's Topics:
1. relay "via" (Marki)
2. Re: relay "via" (Darren Ankney)
----------------------------------------------------------------------
Message: 1
Date: Thu, 23 Mar 2023 10:15:18 +0100
From: Marki <dhcp-us...@lists.roth.lu>
To: dhcp-users <dhcp-users@lists.isc.org>
Subject: relay "via"
Message-ID: <774e39036e1599a6478848ef76329...@lists.roth.lu>
Content-Type: text/plain; charset=US-ASCII; format=flowed
Hello,
I would like to understand what the part behind "via" is exactly tryingn
to tell me in this case.
Why is it once showing "vlan50" (the interface of the DHCP server
itself) and another time "172.17.8.1" (which is the actual DHCP relay of
the device in question).
There is no way the device is sending dhcp requests directly from
"vlan50", i.e. from the network directly attached to the dhcp server.
2023-03-23T09:30:46.722240+01:00 dns01 dhcpd: DHCPREQUEST for
172.17.8.11 from xx:yy:zz:d9:11:57 (string) via vlan50
2023-03-23T09:30:46.722256+01:00 dns01 dhcpd: DHCPACK on 172.17.8.11 to
xx:yy:zz:d9:11:57 (string) via vlan50
2023-03-23T09:31:18.788021+01:00 dns01 dhcpd: DHCPREQUEST for
172.17.8.11 from xx:yy:zz:d9:11:57 (string) via 172.17.8.1
2023-03-23T09:31:18.788037+01:00 dns01 dhcpd: DHCPACK on 172.17.8.11 to
xx:yy:zz:d9:11:57 (string) via 172.17.8.1
Thanks
Marki
------------------------------
Message: 2
Date: Thu, 23 Mar 2023 06:19:18 -0400
From: Darren Ankney <darren.ank...@gmail.com>
To: Users of ISC DHCP <dhcp-users@lists.isc.org>
Subject: Re: relay "via"
Message-ID:
<cakabwhhdtg4sadg-8cp9eo9boioquqp_71rhzr9iekbxkcp...@mail.gmail.com>
Content-Type: text/plain; charset="UTF-8"
Hi Marki,
When it ends with via <some IP> it means the traffic was relayed by a
relay agent. When it ends with via <some interface> then it means the
traffic was directly unicast from the client (or there was no relay
necessary because the client is attached directly to the local
network).
Thanks,
-Darren
On Thu, Mar 23, 2023 at 5:15?AM Marki <dhcp-us...@lists.roth.lu> wrote:
>
> Hello,
>
> I would like to understand what the part behind "via" is exactly tryingn
> to tell me in this case.
>
> Why is it once showing "vlan50" (the interface of the DHCP server
> itself) and another time "172.17.8.1" (which is the actual DHCP relay of
> the device in question).
> There is no way the device is sending dhcp requests directly from
> "vlan50", i.e. from the network directly attached to the dhcp server.
>
> 2023-03-23T09:30:46.722240+01:00 dns01 dhcpd: DHCPREQUEST for
> 172.17.8.11 from xx:yy:zz:d9:11:57 (string) via vlan50
> 2023-03-23T09:30:46.722256+01:00 dns01 dhcpd: DHCPACK on 172.17.8.11 to
> xx:yy:zz:d9:11:57 (string) via vlan50
> 2023-03-23T09:31:18.788021+01:00 dns01 dhcpd: DHCPREQUEST for
> 172.17.8.11 from xx:yy:zz:d9:11:57 (string) via 172.17.8.1
> 2023-03-23T09:31:18.788037+01:00 dns01 dhcpd: DHCPACK on 172.17.8.11 to
> xx:yy:zz:d9:11:57 (string) via 172.17.8.1
>
> Thanks
> Marki
> --
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> Contact us at https://www.isc.org/contact/ for more information.
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End of dhcp-users Digest, Vol 172, Issue 4
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